What is the purpose of using albumin in the indirect antiglobulin test?

A To enhance the sensitivity of the test ✓
B To reduce the risk of false positives
C To increase the specificity of the test
D To improve the visualization of agglutination

Explanation

Albumin is used in the indirect antiglobulin test to enhance the sensitivity of the test by increasing the reaction between the antibodies and the red blood cells.

Source

Medical Laboratory Technology textbook
Hematology Hematology: Blood Grouping and Crossmatching Hematology: Blood Grouping and Crossmatching Medium MEDICAL Confidence: high